* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Molecules to metabolism (2.1)
Survey
Document related concepts
Gaseous signaling molecules wikipedia , lookup
Microbial metabolism wikipedia , lookup
Butyric acid wikipedia , lookup
Size-exclusion chromatography wikipedia , lookup
Genetic code wikipedia , lookup
Basal metabolic rate wikipedia , lookup
Photosynthesis wikipedia , lookup
Citric acid cycle wikipedia , lookup
Evolution of metal ions in biological systems wikipedia , lookup
Fatty acid synthesis wikipedia , lookup
Photosynthetic reaction centre wikipedia , lookup
Metalloprotein wikipedia , lookup
Amino acid synthesis wikipedia , lookup
Fatty acid metabolism wikipedia , lookup
Transcript
Take Home Quiz on Molecules to metabolism (2.1) Molecules to metabolism (2.1) [16 marks] 1. Which of the following reactions occurs when a dipeptide is formed from amino acids? A. Hydrolysis B. Oxidation C. Condensation D. Denaturation (Total 1 mark) 2. Which of the following statements is true about covalent bonds A. It is characteristic of all organic molecules. B. It only happens with carbon atoms. C. It is formed by the sharing of equal numbers of electrons by two atoms. D. It is formed by the exchange of equal numbers of electrons by two atoms. (Total 1 mark) 3. Which of the following is an organic compound found in both plant and animal cells? A. Pyruvate B. Carbon dioxide C. Water D. Cellulose (Total 1 mark) 4. Which molecule is shown below? A. Glucose B. Galactose C. Ribose D. Sucrose (Total 1 mark) Take Home Quiz on Molecules to metabolism (2.1) 5. Which describes these molecules correctly? I II A. ribose amino acid B. glucose amino acid C. ribose fatty acid D. glucose fatty acid (Total 1 mark) 6. Which of the following substances are organic? I. Phospholipids II. Oxygen III. Carbon dioxide A. II and III only B. I only C. I and II only D. I, II and III (Total 1 mark) Take Home Quiz on Molecules to metabolism (2.1) 7. How many molecules of water are required to completely hydrolyse a polypeptide made up of 23 amino acids? A. 11 B. 22 C. 23 D. 44 (Total 1 mark) 8. An enzyme is a biological catalyst, define the term catalyst. ............................................................................................................................................................ ............................................................................................................................................................ (1) 9. Compare and contrast the structure of a triglyceride and a phospholipid. ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ (3) 10. Anabolism is an important process in cells. Outline the process of anabolism with reference to an example. ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ (6)